a cloud of something that rises and curves upwards in the air 飘升之物 a plume of smoke 一缕青烟 A radioactive plume could reach the city within hours. 放射性烟羽可能在几小时内到达这座城市。 A great plume of dust and ash rose from the volcano. 一大股烟尘和灰烬从那座火山中升腾而起。 The waves pounded the rocks, throwing up white plumes of spray. 海浪拍打着岩石，溅起白色的浪花。
a large feather 翎；羽毛 a black hat with an ostrich plume 饰有一根鸵鸟羽毛的黑帽子
a group of feathers or long thin pieces of material tied together and often used as a decoration （常用作饰物的）连在一起的羽毛，羽状物；羽饰 The red plume on the horse’s head was nodding to the rhythm of its steps. 马头上的红色羽毛随着它的步调而点头。
see also nom de plume
Word Originlate Middle English: from Old French, from Latin pluma ‘down’.